brems·​strah·​lung ˈbrem(p)-ˌshträ-ləŋ How to pronounce bremsstrahlung (audio)
: the electromagnetic radiation produced by the sudden deceleration of a charged particle in an intense electric field (as of an atomic nucleus)
also : the process that produces such radiation

Word History


German, literally, decelerated radiation

First Known Use

1935, in the meaning defined above

Time Traveler
The first known use of bremsstrahlung was in 1935

Dictionary Entries Near bremsstrahlung

Cite this Entry

“Bremsstrahlung.” Dictionary, Merriam-Webster, Accessed 6 Dec. 2023.

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